Download App

[ Question Bank ] - 2022 — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10Science[ Question Bank ] - 20222 Marks
Question
Electronic configuration of element A is 2,8,1. Answer the following questions based on this information.
  1. What is the atomic number of element A?
  2. Find the group to which this element belongs.
✓

Answer

  1. Atomic number of element A is 11.
  2. Element A belongs to group 1.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions: [2 M]" from [ Question Bank ] - 2022→[ Question Bank ] - 2022 — all question types→Science STD 10 question papers→Maharashtra Board STD 10 question papers→Maharashtra Board question paper generator→

Similar questions

“Respiration is a vital function of the body”. Justify this statement.
→
Write the laws :
Humidity
→
Direct current and Alternating current.
→
Define:
  1. Principal focus of a concave mirror.
  2. Focal length of a concave mirror.
→
A woman uses a device X made of a common metal for preventing pregnancy. This device works by preventing the implantation of fertilised egg cell (or embryo) in the female organ Y.
  1. What are the two names of device X?
  2. Name the organ Y.
  3. Can this method of contraception protect a woman from acquiring a STD?
→
Explain the following reactions with the help of balanced equations: Hydrogen gas is passed over boiling sulphur.
→
Describe with a suitable diagram, how a convex mirror diverges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of convex mirror in this diagram.
→
How will you distinguish between a plane mirror, a concave mirror and a convex mirror without touching them?
→
The focal length of a convex lens is 20 cm . What is its power?
→
The specific latent heat of vaporization of water is 540 cal/g. Explain this statement.
→